The King Abdul Aziz Foundation for Human Sciences and Islamic Studies in Casablanca () is a research library in Casablanca, Morocco for social and human sciences as well as Arab-Islamic studies. The foundation was established by Abdullah bin Abdulaziz Al Saud in 1985.
The complex includes a library, a media center, and a mosque, and it is located near the Atlantic coast on Ain Diab. The complex covers an area of approximately 15,000 m<sup>2</sup>, and the library holds about a million titles in the fields of literature and the sciences, in a variety of languages in addition to lithographs, rare books, photographs, postage stamps, and academic papers. The foundation is a public use institution and publishes books and hosts conferences.